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Classical Mechanics

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CLMECH-XRXEKI

Which of the below statements about a collision between two objects are true?

Select ALL that apply.

A

During a collision, the total momentum of the system is conserved.

B

During a collision, the $x$, $y$, and $z$ components of the momentum are not individually conserved.

C

To find the total final momentum of a system, add the magnitudes of the $x$, $y$, and $z$ components of the momentum together. This sum is conserved during the collision.

D

After a collision, the total initial $x$ components of the momentum of each object is equal to the total final $x$ component of the momentum of each object, regardless of what happens in the $y$ and $z$ coordinates.

E

Whether momentum is conserved by individual components or by total magnitude depends on whether the collision is elastic or inelastic.